Alizarin Red Sodium Salt C.I.58005


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Alizarin Red is an orange to brown powder and can be used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an osteogenic lineage

  • Biological Staining
  • pH Indicator

C.I. 58005
Molecular Formula: C14H7O7SNa
Molecular Weight: 342.26
Loss on drying @110degc: <6%
Solubility: Soluble in water at 0.1% – Clear Yellow Solution

Visual Transition Interval:
from pH 3.5 (yellow) to pH 6.5(Pink)
from pH 9.4 (orange) to pH 12.0 (violet)

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: Avoid breathing dust/fume/gas/mist/vapours/spray. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Wear protective gloves/protective clothing/eye protection/face protection.

Cas No: 130-22-3
Einecs No: 204-981-8

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